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  #16  
Old 08-19-2013, 09:57 PM
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Also,

"Ignore the harmonic ring you see torn off behind the front flex disc... ill hack that the rest of the way off later. "

Post a pic of the ring, ( I can't use U tube on my connection )

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  #17  
Old 08-20-2013, 12:26 AM
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Location: Louisville, KY
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Quote:
Originally Posted by Simpler=Better View Post
Definitely pull your flex discs and check them thoroughly.

I'm not an expert but it sounds like general wear adding up. My 220k DD has a similar slide hammer effect. My theory is the slop adds up between the clutch, transmission, u-joints, diff, and axle teeth. If I'm light on the throttle on flat ground I can get it to kick back and forward. You learn to either be accelerating in gear or coating in neutral.

YES!!!! Finally someone who has experienced the same issue. Did you ever figure it out?
I agree its a lot of added wear, but there is a source. I want to find out what the source is before I even think of attempting to replace all affected parts..

As stated earlier, my REAR flex disc inner diameter sleeve has been worn into an OVAL. This tells me that the drive shaft must be at some points spinning unevenly, or wobbling (change in pinion angle?). In the video you can see the VERTICAL play in the center bearing rubber. I didn't know if this is normal, or if the rubber surrounding the center bearing should be stiff and unyielding.

Motor mounts are in decent shape, not much engine movement. Axles could probably be replaced (I think one is slightly bent low speed you can feel a wobble), and wheel bearings I'm sure are toast.

My main issue is finding out if this is something simple, or complicated (IE My transmission is where the source of the play is and good luck finding another like it..)
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190D SOLD
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X204 GLK 250 Sans Bluetec
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  #18  
Old 08-20-2013, 04:57 PM
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Quote:
Originally Posted by Proctor750 View Post
As stated earlier, my REAR flex disc inner diameter sleeve has been worn into an OVAL. This tells me that the drive shaft must be at some points spinning unevenly, or wobbling (change in pinion angle?).
You found the problem and are not fixing it? This will cause the same affect as axle shafts that don't spin true.


Quote:
Originally Posted by Proctor750 View Post
In the video you can see the VERTICAL play in the center bearing rubber. I didn't know if this is normal, or if the rubber surrounding the center bearing should be stiff and unyielding.
The center bearing should move around a bit, take a look at the rubber mount to see if the bearing is centered.
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  #19  
Old 08-20-2013, 07:05 PM
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Quote:
Originally Posted by 97 SL320 View Post
You found the problem and are not fixing it? This will cause the same affect as axle shafts that don't spin true.




The center bearing should move around a bit, take a look at the rubber mount to see if the bearing is centered.

Yes, and no. I understand that the rear flex disc sleeve being worn unevenly can exacerbate the problem and I WOULD fix it immediately, but I am afraid that if the source of the play turned out to be the trans, I SOL anyway and I wasted money and time replacing a part that will not only not fix the issue, but will eventually oval out again.

I suppose I could throw another one in there, I'm sure it would help. I just have 3 cars and am selling this one. Unfortunately it is tough selling something most people cant drive, or don't know what the SOURCE of all of this is.

I hate to say it, but I think this is a process of elimination. I don't have the time or money to mess with it anymore, and yet I cant sell it unless I do... talk about a catch 22.

hopefully someone who has seen the video can at least verify whether the center bearing rubber has too much play or not.

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190D SOLD
2.5 non turbo
5 speed manual transmission
Build date: December 1985
W211 E320 CDI
W126 350SDL
X204 GLK 250 Sans Bluetec
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